<template>
  <b-timeline-item color="primary">发布1.0版本</b-timeline-item>
  <b-timeline-item color="info">发布1.5版本</b-timeline-item>
  <b-timeline-item color="warning">错误修复</b-timeline-item>
  <b-timeline-item color="danger">严重故障</b-timeline-item>
  <b-timeline-item color="success">发布2.0版本</b-timeline-item>
  <b-timeline-item color="#ff30b5">里程碑发布</b-timeline-item>
</template>
